Patents
- US Patent 1,647, Improvement in the mode of communicating information by signals by the application of electro-magnetism, June 20, 1840
- US Patent 1,647 (Reissue #79), Improvement in the mode of communicating information by signals by the application of electro-magnetism, January 15, 1846
- US Patent 1,647 (Reissue #117), Improvement in electro-magnetic telegraphs, June 13, 1848
- US Patent 1,647 (Reissue #118), Improvement in electro-magnetic telegraphs, June 13, 1848
- US Patent 3,316, Method of introducing wire into metallic pipes, October 5, 1843
- US Patent 4,453, Improvement in Electro-magnetic telegraphs, April 11, 1846
- US Patent 6,420, Improvement in electric telegraphs, May 1, 1849
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